SDR 2007UALA00872

Service difficulty report · Skin · Boeing 747422

Difficulty date: March 25, 2007
Submitted: April 3, 2007
Operation: Air carrier
Aircraft: N127UA
Make and model: Boeing 747422
Aircraft serial: 28813
Aircraft time: 30,522 hours, 3,783 cycles
Engine: Pwa PW4056
Engine time: 25,427 hours, 3,125 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Damaged
Location: Wing
Stage of operation: CR
How discovered: O
Nature of condition: O
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RTFL UNDER AMBER ALERT DUE TO INFLIGHT DAMAGE TO NR 4 ENGINE INBOARD SAILBOAT FAIRING. [SUP 4-20-07] FOUND ONE SAILTAIL PANEL MISSING & ONE DAMAGED. ROBBED MISSING UNIT & INSTALLED. ACCOMPLISHED HFEC INSPECTION OF BLENDED RT LOWER WING SKIN JUST INBD OF NR 4 ENGINE PYLON SAILTAIL & SURROUNDING FUEL PLATE. NO CRACKS FOUND AND MATERIAL LOSS WITHIN SERVICEABLE LIMITS. SURROUNDING FUEL PLATE ALSO REPLACED. A/C OK FOR SERVICE. SUSPECT PANELS WERE NOT PROPERLY SECURED & VIBRATED LOOSE.